package edu.iyte.ceng316.model.data;

import java.util.List;

import edu.iyte.ceng316.model.Person;
import edu.iyte.ceng316.model.PhoneGroup;
import edu.iyte.ceng316.model.PhoneGroups;


public interface IPhoneBookModel {
  public List<PhoneGroup> getPhoneGroups();
  public PhoneGroups getGroups();
  public List<String> getDepartmentNames();
  public List<Person> getPersons();
    
}
